Enjoy Islandwide Express Delivery within 1-2 Working Days from Nilambara Electronics

PIR Sensor HC-SR501 3.3V to 12V

(33 customer reviews)

In stock

Rs 260.00 Rs 420.00

In stock

Weight 10 g

The Passive Infrared Sensor (PIR) sensor module is used for motion detection. It is often referred to used “PIR”, “Pyroelectric”, “Passive Infrared” and “IR Motion” sensor. The module has an on-board pyroelectric sensor, conditioning circuitry and a dome shaped Fresnel lens. It is used to sense movement of people, animals, or other objects. They are commonly used in burglar alarms and automatically-activated lighting systems.


  • Color: White + Green OR  White + Blue
  • Infrared Sensor with Control Circuit Board
  • The Sensitivity and Holding Time Can be Adjusted
  • Working Voltage: DC 3.3V to 12V
  • Current Drain: <60uA
  • Detection Range: <140°
  • Voltage Output: High/Low level Signal: 3.3V TTL output
  • Detection Distance: 3 to 7m (can be adjusted)
  • Delay Time: 5 to 200s (Can be Adjusted, Default 5s +/- 3%)
  • Blockade time: 2.5s (Default)
  • Work temperature: -20-+80°C
  • Dimension: 3.2cm x 2.4cm x 1.8cm (Approx)
  • Sensitive Setting: Turn to Right, Distance Increases (About 7M); Turn to Left, Distance Reduce (About 3M)
  • Time Setting: Turn to Right, Time Increases (About 200S); Turn to Left, Time Reduce (About 5S).

Based on 33 reviews

4.9 overall

Only logged in customers who have purchased this product may leave a review.

  1. Kumar (verified owner)


  2. Dilan (verified owner)


  3. Buvanaka Eranda (verified owner)

    Review for PIR Sensor HC-SR501
    ★ ★ ★ ★ ★

    Buvanaka Eranda

  4. Sampath Fernando (verified owner)

    Sampath Fernando

  5. Sasindu Jayasinghe (verified owner)

    Sasindu Jayasinghe

  6. Nimesh Saveendra (verified owner)

    Nimesh Saveendra

  7. Ruwandi (verified owner)


  8. Mahesh Bandara (verified owner)

    Working perfectly

    Mahesh Bandara

  9. Manuka Thilakaratne (verified owner)


    Manuka Thilakaratne

  10. Dhanushka Jayathilake (verified owner)

    Dhanushka Jayathilake